Where can I buy this book?

It is available for purchase on Poplar Publishing's book page and Amazon. The release date is June 24, 2026.

Who is the representative of the Ruby Foundation?

The representative director is Yutaka Ito. The founder is Masaru Matsumoto.

What is the Ruby Full Taisho?

It is an award organized by the Ruby Foundation that recognizes outstanding works that make extensive use of ruby (furigana).

AI News NQ Analysis

[Limited 5,000 Copies Sold Out in 37 Minutes!] Live Sales Event for 'Can Furigana Improve Academic Ability?' by Masaru Matsumoto of the Ruby Foundation on YouTube Channel 'Only Yurindo Knows the World'

NQ Score 0/100

N1 Content Completeness 8

Key facts

[Limited 5,000 Copies Sold Out in 37 Minutes!] Live Sales Event for 'Can Furigana Improve Academic Ability?' by Masaru Matsumoto of the Ruby Foundation on YouTube Channel 'Only Yurindo Knows the World'
The Ruby Foundation announced that a live sales event for founder Masaru Matsumoto's new book 'Can Furigana Improve Academic Ability?' was held on June 9, 2026, selling out the limited 5,000 copies in just 37 minutes.
Source: PR TIMES
Date: Wed Jun 10 2026 14:00:02 GMT+0900 (Japan Standard Time)

Direct answer

The Ruby Foundation announced that a live sales event for founder Masaru Matsumoto's new book 'Can Furigana Improve Academic Ability?' was held on June 9, 2026, selling out the limited 5,000 copies in just 37 minutes.

Citation: [Limited 5,000 Copies Sold Out in 37 Minutes!] Live Sales Event for 'Can Furigana Improve Academic Ability?' by Masaru Matsumoto of the Ruby Foundation on YouTube Channel 'Only Yurindo Knows the World' (Wed Jun 10 2026 14:00:02 GMT+0900 (Japan Standard Time)), PR TIMES
Source: PR TIMES
Date: Wed Jun 10 2026 14:00:02 GMT+0900 (Japan Standard Time)

AI Summary (NQ-processed)

The Ruby Foundation announced that a live sales event for founder Masaru Matsumoto's new book 'Can Furigana Improve Academic Ability?' was held on June 9, 2026, selling out the limited 5,000 copies in just 37 minutes.

AI Analysis

Frequently Asked Questions

Q: Where can I buy this book?: A: It is available for purchase on Poplar Publishing's book page and Amazon. The release date is June 24, 2026.
Q: Who is the representative of the Ruby Foundation?: A: The representative director is Yutaka Ito. The founder is Masaru Matsumoto.
Q: What is the Ruby Full Taisho?: A: It is an award organized by the Ruby Foundation that recognizes outstanding works that make extensive use of ruby (furigana).